28954663 has 8 divisors (see below), whose sum is σ = 29538000. Its totient is φ = 28374528.

The previous prime is 28954661. The next prime is 28954669. The reversal of 28954663 is 36645982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28954663 - 2¹ = 28954661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28954661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25945 + ... + 27037.

It is an arithmetic number, because the mean of its divisors is an integer number (3692250).

Almost surely, 2^28954663 is an apocalyptic number.

28954663 is a deficient number, since it is larger than the sum of its proper divisors (583337).

28954663 is a wasteful number, since it uses less digits than its factorization.

28954663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its digits is 311040, while the sum is 43.

The square root of 28954663 is about 5380.9537258743. The cubic root of 28954663 is about 307.0714960434.

The spelling of 28954663 in words is "twenty-eight million, nine hundred fifty-four thousand, six hundred sixty-three".